Clockwork clock



FIG. 1 is a front view of a clockwork clock in accordance with one embodiment of the ornamental design of my invention;

FIG. 2 is a rear view of the clockwork clock illustrated in FIG. 1;

FIG. 3 is an underside view of the clockwork clock illustrated in FIG. 1;

FIG. 4 is a front view of a clockwork clock in accordance with a second embodiment of the ornamental design of my design;

FIG. 5 is a rear view of the clockwork clock in accordance with the embodiment of FIG. 4; and,

FIG. 6 is an underside view of the clockwork clock in accordance with the embodiment of FIG. 3. 

The ornamental design for a clockwork clock, as shown and described herein. 